. Put the rinsed toor dal, chopped tomato, turmeric, green chillies and one cup of water in a pressure cooker and cook for 3 whistles.
. Switch off the flame and wait until the pressure go off.
. Soak the tamarind in water for 10 minutes. Squeeze the extract out of it and set aside.
. Add the red chilli powder, salt, tamarind extract and water (adjust to desired consistency) to the cooked dal and let it simmer for 5 minutes.
. Add the chopped coriander and combine well.
. Turn off the flame.
. Heat oil in a pan for seasoning. Add the mustard seeds, urad dal, chana dal and cumin seeds and let them splutter.
. Add the curry leaves, hing and red chilli and stir for a couple of seconds.
. Switch off the flame and add the seasoned ingredients to the prepared dal.
. Mix well and serve hot with rice or roti.